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LIVINGSTON SUBSPECIALTY GROUP, P.A.
NPI 1437178449
Internal Medicine - Hematology & Oncology in Livingston, NJ

Active since July 19, 2006
349 E NORTHFIELD RD, SUITE 200, LIVINGSTON, NJ 07039(973) 597-0900(973) 597-0910 Get Directions Write a Review

NPPES record last updated: March 24, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Livingston Subspecialty Group, P.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LIVINGSTON SUBSPECIALTY GROUP, P.A. (NPI 1437178449) is a healthcare organization registered as a hematology & oncology in Livingston, New Jersey and active in the NPI registry since July 2006. The organization lists Michael Botti, Controller, as its authorized official.

NPPES Registry Identity

NPI1437178449
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameLIVINGSTON SUBSPECIALTY GROUP, P.A.
Location Address349 E NORTHFIELD RD, SUITE 200Livingston, NJ 07039-4802
Mailing Address349 E Northfield Rd, Suite 200Livingston, NJ 07039-4802 · (973) 597-0900 · Fax (973) 597-0910
Phone(973) 597-0900
Fax(973) 597-0910
Organization SubpartNo
Authorized OfficialMichael BottiController · (973) 597-1690
Enumeration DateJuly 19, 2006
Last NPPES UpdateMarch 24, 2015
✔ NPI 1437178449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in NJ · MA045092
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License MA045093 (NJ)
349 E NORTHFIELD RD, Livingston, NJ 07039
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Other Identifiers 2

Medicare PIN034542NJ
Medicaid3457109NJ

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Livingston Subspecialty Group, P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Livingston Subspecialty Group, P.A., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Gigi Diamond, M.D.
Infectious Disease
NPI 1295757359
349 E NORTHFIELD RD SUITE 200
Livingston, NJ 07039
(973) 597-0900
✔ PECOS✔ Accepts MedicareSame address
Anthony Botti, M.D.
Hematology/Oncology
NPI 1598787640
349 E NORTHFIELD RD SUITE 200
Livingston, NJ 07039
(973) 597-0900
✔ PECOS✔ Accepts Medicare2.5 mi
Jennifer Peos, MD
Internal Medicine
NPI 1710986195
349 E NORTHFIELD RD SUITE 210
Livingston, NJ 07039
(973) 597-1107
✔ PECOS✔ Accepts Medicare2.5 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Livingston Subspecialty Group, P.A.'s NPI number?

The NPI number for Livingston Subspecialty Group, P.A. is 1437178449. It was assigned to this organization in the NPPES registry on July 19, 2006.

Where is Livingston Subspecialty Group, P.A. located?

Livingston Subspecialty Group, P.A. is located at 349 E Northfield Rd Suite 200, Livingston, NJ 07039. The listed phone number is (973) 597-0900.

What is Livingston Subspecialty Group, P.A.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Livingston Subspecialty Group, P.A. enrolled in Medicare?

Yes. Livingston Subspecialty Group, P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Livingston Subspecialty Group, P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Livingston Subspecialty Group, P.A., in Hematology/Oncology, Infectious Disease and Internal Medicine. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Livingston Subspecialty Group, P.A. was last updated on March 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.